/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import loaderUtils from 'loader-utils';

const codegen = require("./codegen/index.js");

module.exports = function (source, map) {
  this.cacheable && this.cacheable();
  const callback = this.async();
  
  const parsed = codegen.genHmlAndCss(source);
  const loaderQuery = loaderUtils.getOptions(this) || {};
  if (parsed.errorType && parsed.errorType !== '') {
    callback(parsed.errorType + ' : ' + parsed.errorMessage, '');
  } else {
    switch (loaderQuery.type) {
      case 'template':
        callback(null, parsed.hmlCss.hml, map);
        break;
      case 'style':
        callback(null, parsed.hmlCss.css, map);
        break;
      case 'json':
        callback(null, parsed.hmlCss.json, map);
        break;
    }
  }
};
